Which musical term means "lively" or "brisk"?

The term that means "lively" or "brisk" is indeed associated with "Vivace." This Italian musical term indicates a tempo that is fast and flowing, typically implying energy and vivacity in the music. Composers often use "Vivace" to convey a cheerful and spirited character, enhancing the overall liveliness of the performance.

In contrast, the other terms have different meanings related to tempo or style. "Adagio," for instance, refers to a slower tempo, creating a more languid or relaxed feel. "Brevissimo" is a less commonly used term that indicates a very short duration in music, while "Moderato" denotes a moderate pace, falling between slow and fast tempos. Understanding these distinctions helps musicians interpret and convey the intended emotions and energy of a piece effectively.